################################################################################
# MIT License
#
# Copyright (c) 2018-2020 yeggor
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
################################################################################

IMAGE_FILE_MACHINE_IA64 = 0x8664
IMAGE_FILE_MACHINE_I386 = 0x014c
PE_OFFSET = 0x3c


def get_num_le(bytearr):
    """get le-number from data"""
    num_le = 0
    for i in range(len(bytearr)):
        num_le += bytearr[i] * pow(256, i)
    return num_le


def get_machine_type(module_path):
    """get architecture"""
    with open(module_path, 'rb') as module:
        data = module.read()
    PE_POINTER = get_num_le(data[PE_OFFSET:PE_OFFSET + 1:])
    FH_POINTER = PE_POINTER + 4
    machine_type = data[FH_POINTER:FH_POINTER + 2:]
    type_value = get_num_le(machine_type)
    return type_value
